react-image-gallery/build/image-gallery.umd.js

React carousel image gallery component with thumbnail and mobile support

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e.handleThumbnailMouseOver(t,r)},onKeyUp:function(t){return e.handleThumbnailKeyUp(t,r)},onClick:function(t){return e.onThumbnailClick(t,r)}},k(i)))}if(g){var _=t("image-gallery-bullet",i.bulletClass,{active:n===r});w.push(a().createElement("button",{type:"button",key:"bullet-".concat(r),className:_,onClick:function(t){return e.onBulletClick(t,r)},"aria-pressed":n===r?"true":"false","aria-label":"Go to Slide ".concat(r+1)}))}})),{slides:v,thumbnails:y,bullets:w}}},{key:"ignoreIsTransitioning",value:function(){var e=this.props.items,t=this.state,n=t.previousIndex,i=t.currentIndex,r=e.length-1;return Math.abs(n-i)>1&&!(0===n&&i===r)&&!(n===r&&0===i)}},{key:"isFirstOrLastSlide",value:function(e){return e===this.props.items.length-1||0===e}},{key:"slideIsTransitioning",value:function(e){var t=this.state,n=t.isTransitioning,i=t.previousIndex,r=t.currentIndex;return n&&!(e===i||e===r)}},{key:"isSlideVisible",value:function(e){return!this.slideIsTransitioning(e)||this.ignoreIsTransitioning()&&!this.isFirstOrLastSlide(e)}},{key:"slideThumbnailBar",value:function(){var e=this.state,t=e.currentIndex,n=e.isSwipingThumbnail,i=-this.getThumbsTranslate(t);n||(0===t?this.setState({thumbsTranslate:0,thumbsSwipedTranslate:0}):this.setState({thumbsTranslate:i,thumbsSwipedTranslate:i}))}},{key:"canSlide",value:function(){return this.props.items.length>=2}},{key:"canSlideLeft",value:function(){var e=this.props,t=e.infinite,n=e.isRTL;return t||(n?this.canSlideNext():this.canSlidePrevious())}},{key:"canSlideRight",value:function(){var e=this.props,t=e.infinite,n=e.isRTL;return t||(n?this.canSlidePrevious():this.canSlideNext())}},{key:"canSlidePrevious",value:function(){return this.state.currentIndex>0}},{key:"canSlideNext",value:function(){return this.state.currentIndex<this.props.items.length-1}},{key:"handleSwiping",value:function(e){var t=e.event,n=e.absX,i=e.absY,r=e.dir,a=this.props,o=a.disableSwipe,s=a.stopPropagation,l=a.swipingTransitionDuration,u=this.state,c=u.galleryWidth,h=u.galleryHeight,d=u.isTransitioning,p=u.swipingUpDown,f=u.swipingLeftRight,m=this.props.slideVertically;if((r!==ne&&r!==ie&&!p||f||(p||this.setState({swipingUpDown:!0}),m))&&(r!==ee&&r!==te||f||this.setState({swipingLeftRight:!0}),!o))if(s&&t.preventDefault(),d)this.setState({currentSlideOffset:0});else{if((r===ee||r===te)&&m)return;if((r===ne||r===ie)&&!m)return;var b=Ze(Ze(Ze(Ze({},ee,-1),te,1),ne,-1),ie,1)[r],g=n/c*100;m&&(g=i/h*100),Math.abs(g)>=100&&(g=100);var v={transition:"transform ".concat(l,"ms ease-out")};this.setState({currentSlideOffset:b*g,slideStyle:v})}}},{key:"handleThumbnailSwiping",value:function(e){var t=e.event,n=e.absX,i=e.absY,r=e.dir,a=this.props,o=a.stopPropagation,s=a.swipingThumbnailTransitionDuration,l=this.state,u=l.thumbsSwipedTranslate,c=l.thumbnailsWrapperHeight,h=l.thumbnailsWrapperWidth,d=l.swipingUpDown,p=l.swipingLeftRight;if(this.isThumbnailVertical()){if((r===ee||r===te||p)&&!d)return void(p||this.setState({swipingLeftRight:!0}));r!==ne&&r!==ie||d||this.setState({swipingUpDown:!0})}else{if((r===ne||r===ie||d)&&!p)return void(d||this.setState({swipingUpDown:!0}));r!==ee&&r!==te||p||this.setState({swipingLeftRight:!0})}var f,m,b,g,v,y=this.thumbnails&&this.thumbnails.current;if(this.isThumbnailVertical()?(f=u+(r===ie?i:-i),m=y.scrollHeight-c+20,b=Math.abs(f)>m,g=f>20,v=y.scrollHeight<=c):(f=u+(r===te?n:-n),m=y.scrollWidth-h+20,b=Math.abs(f)>m,g=f>20,v=y.scrollWidth<=h),!v&&(r!==ee&&r!==ne||!b)&&(r!==te&&r!==ie||!g)){o&&t.stopPropagation();var w={transition:"transform ".concat(s,"ms ease-out")};this.setState({thumbsTranslate:f,thumbsStyle:w})}}},{key:"handleOnThumbnailSwiped",value:function(){var e=this.state.thumbsTranslate,t=this.props.slideDuration;this.resetSwipingDirection(),this.setState({isSwipingThumbnail:!0,thumbsSwipedTranslate:e,thumbsStyle:{transition:"all ".concat(t,"ms ease-out")}})}},{key:"sufficientSwipe",value:function(){var e=this.state.currentSlideOffset,t=this.props.swipeThreshold;return Math.abs(e)>t}},{key:"resetSwipingDirection",value:function(){var e=this.state,t=e.swipingUpDown,n=e.swipingLeftRight;t&&this.setState({swipingUpDown:!1}),n&&this.setState({swipingLeftRight:!1})}},{key:"handleOnSwiped",value:function(e){var t=e.event,n=e.dir,i=e.velocity,r=this.props,a=r.disableSwipe,o=r.stopPropagation,s=r.flickThreshold,l=this.props.slideVertically;if(!a){var u=this.props.isRTL;o&&t.stopPropagation(),this.resetSwipingDirection();var c=(n===ee?1:-1)*(u?-1:1);l&&(c=n===ne?1:-1);var h=l?i>s&&!(n===ee||n===te):i>s&&!(n===ne||n===ie);this.handleOnSwipedTo(c,h)}}},{key:"handleOnSwipedTo",value:function(e,t){var n=this.state,i=n.currentIndex,r=n.isTransitioning,a=i;!this.sufficientSwipe()&&!t||r||(a+=e),(-1===e&&!this.canSlideLeft()||1===e&&!this.canSlideRight())&&(a=i),this.unthrottledSlideToIndex(a)}},{key:"handleMouseDown",value:function(){this.imageGallery.current.classList.add("image-gallery-using-mouse")}},{key:"handleKeyDown",value:function(e){var t=this.props,n=t.disableKeyDown,i=t.useBrowserFullscreen,r=this.state.isFullscreen;if(this.imageGallery.current.classList.remove("image-gallery-using-mouse"),!n)switch(parseInt(e.keyCode||e.which||0,10)){case 37:this.canSlideLeft()&&!this.playPauseIntervalId&&this.slideLeft(e);break;case 39:this.canSlideRight()&&!this.playPauseIntervalId&&this.slideRight(e);break;case 27:r&&!i&&this.exitFullScreen()}}},{key:"handleImageError",value:function(e){var t=this.props.onErrorImageURL;t&&-1===e.target.src.indexOf(t)&&(e.target.src=t)}},{key:"removeThumbnailsResizeObserver",value:function(){this.resizeThumbnailWrapperObserver&&this.thumbnailsWrapper&&this.thumbnailsWrapper.current&&(this.resizeThumbnailWrapperObserver.unobserve(this.thumbnailsWrapper.current),this.resizeThumbnailWrapperObserver=null)}},{key:"removeResizeObserver",value:function(){this.resizeSlideWrapperObserver&&this.imageGallerySlideWrapper&&this.imageGallerySlideWrapper.current&&(this.resizeSlideWrapperObserver.unobserve(this.imageGallerySlideWrapper.current),this.resizeSlideWrapperObserver=null),this.removeThumbnailsResizeObserver()}},{key:"handleResize",value:function(){var e=this.state.currentIndex;this.imageGallery&&(this.imageGallery&&this.imageGallery.current&&this.setState({galleryWidth:this.imageGallery.current.offsetWidth,galleryHeight:this.imageGallery.current.offsetHeight}),this.imageGallerySlideWrapper&&this.imageGallerySlideWrapper.current&&this.setState({gallerySlideWrapperHeight:this.imageGallerySlideWrapper.current.offsetHeight}),this.setThumbsTranslate(-this.getThumbsTranslate(e)))}},{key:"initSlideWrapperResizeObserver",value:function(e){var t=this;e&&!e.current||(this.resizeSlideWrapperObserver=new Z(j((function(e){e&&e.forEach((function(e){t.setState({thumbnailsWrapperWidth:e.contentRect.width},t.handleResize)}))}),50)),this.resizeSlideWrapperObserver.observe(e.current))}},{key:"initThumbnailWrapperResizeObserver",value:function(e){var t=this;e&&!e.current||(this.resizeThumbnailWrapperObserver=new Z(j((function(e){e&&e.forEach((function(e){t.setState({thumbnailsWrapperHeight:e.contentRect.height},t.handleResize)}))}),50)),this.resizeThumbnailWrapperObserver.observe(e.current))}},{key:"toggleFullScreen",value:function(){this.state.isFullscreen?this.exitFullScreen():this.fullScreen()}},{key:"togglePlay",value:function(){this.playPauseIntervalId?this.pause():this.play()}},{key:"handleScreenChange",value:function(){var e=this.props,t=e.onScreenChange,n=e.useBrowserFullscreen,i=document.fullscreenElement||document.msFullscreenElement||document.mozFullScreenElement||document.webkitFullscreenElement,r=this.imageGallery.current===i;t&&t(r),n&&this.setState({isFullscreen:r})}},{key:"slideToIndex",value:function(e,t){var n=this.state,i=n.currentIndex,r=n.isTransitioning,a=this.props,o=a.items,s=a.slideDuration,l=a.onBeforeSlide;if(!r){t&&this.playPauseIntervalId&&(this.pause(!1),this.play(!1));var u=o.length-1,c=e;e<0?c=u:e>u&&(c=0),l&&c!==i&&l(c),this.setState({previousIndex:i,currentIndex:c,isTransitioning:c!==i,currentSlideOffset:0,slideStyle:{transition:"all ".concat(s,"ms ease-out")}},this.onSliding)}}},{key:"slideLeft",value:function(e){var t=this.props.isRTL;this.slideTo(e,t?"right":"left")}},{key:"slideRight",value:function(e){var t=this.props.isRTL;this.slideTo(e,t?"left":"right")}},{key:"slideTo",value:function(e,t){var n=this.state,i=n.currentIndex,r=n.isTransitioning,a=this.props.items,o=i+("left"===t?-1:1);r||(2===a.length?this.slideToIndexWithStyleReset(o,e):this.slideToIndex(o,e))}},{key:"slideToIndexWithStyleReset",value:function(e,t){var n=this,i=this.state,r=i.currentIndex,a=i.currentSlideOffset;this.setState({currentSlideOffset:a+(r>e?.001:-.001),slideStyle:{transition:"none"}},(function(){window.setTimeout((function(){return n.slideToIndex(e,t)}),25)}))}},{key:"handleThumbnailMouseOver",value:function(e,t){this.props.slideOnThumbnailOver&&this.onThumbnailMouseOver(e,t)}},{key:"handleThumbnailKeyUp",value:function(e,t){it(e)&&this.onThumbnailClick(e,t)}},{key:"handleSlideKeyUp",value:function(e){it(e)&&(0,this.props.onClick)(e)}},{key:"isThumbnailVertical",value:function(){var e=this.props.thumbnailPosition;return"left"===e||"right"===e}},{key:"addScreenChangeEvent",value:function(){var e=this;tt.forEach((function(t){document.addEventListener(t,e.handleScreenChange)}))}},{key:"removeScreenChangeEvent",value:function(){var e=this;tt.forEach((function(t){document.removeEventListener(t,e.handleScreenChange)}))}},{key:"fullScreen",value:function(){var e=this.props.useBrowserFullscreen,t=this.imageGallery.current;e?t.requestFullscreen?t.requestFullscreen():t.msRequestFullscreen?t.msRequestFullscreen():t.mozRequestFullScreen?t.mozRequestFullScreen():t.webkitRequestFullscreen?t.webkitRequestFullscreen():this.setModalFullscreen(!0):this.setModalFullscreen(!0),this.setState({isFullscreen:!0})}},{key:"exitFullScreen",value:function(){var e=this.state.isFullscreen,t=this.props.useBrowserFullscreen;e&&(t?document.exitFullscreen?document.exitFullscreen():document.webkitExitFullscreen?document.webkitExitFullscreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.msExitFullscreen?document.msExitFullscreen():this.setModalFullscreen(!1):this.setModalFullscreen(!1),this.setState({isFullscreen:!1}))}},{key:"pauseOrPlay",value:function(){var e=this.props.infinite,t=this.state.currentIndex;e||this.canSlideRight()?this.slideToIndex(t+1):this.pause()}},{key:"play",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=this.props,n=t.onPlay,i=t.slideInterval,r=t.slideDuration,a=this.state.currentIndex;this.playPauseIntervalId||(this.setState({isPlaying:!0}),this.playPauseIntervalId=window.setInterval(this.pauseOrPlay,Math.max(i,r)),n&&e&&n(a))}},{key:"pause",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],t=this.props.onPause,n=this.state.currentIndex;this.playPauseIntervalId&&(window.clearInterval(this.playPauseIntervalId),this.playPauseIntervalId=null,this.setState({isPlaying:!1}),t&&e&&t(n))}},{key:"isImageLoaded",value:function(e){return!!this.loadedImages[e.original]||(this.loadedImages[e.original]=!0,!1)}},{key:"handleIm